Producer Price Indexes for Selected Stage-of-Processing Groupings, Seasonally Adjusted
United States. Bureau of Labor Statistics. "Producer Price Indexes for Selected Stage-of-Processing Groupings, Seasonally Adjusted," in United States. Bureau of Labor Statistics. "April 1990," PPI Detailed Report (April 1990) : 12-12. https://fraser.stlouisfed.org/title/63/item/21640/toc/392232 , accessed on March 29, 2024.